Mainstream class group data is shown separately from standard/year-group enrolment data. The source does not identify which standard/year group each class group belongs to.
Average class size
27.62
2025/26
Mainstream classes
16
2025/26
Largest class group
33
2025/26
Classes with 30+ pupils
8
2025/26
Class group metrics trend
Class group metrics by year
Year
Mainstream class pupils
Mainstream classes
Average class size
Largest class
Classes 30+
2013/14
313
13
24.08
32
3
2014/15
340
14
24.29
31
1
2015/16
349
15
23.27
29
0
2016/17
370
15
24.67
32
3
2017/18
414
15
27.60
32
4
2019/20
466
16
29.12
34
8
2020/21
472
19
24.84
34
5
2021/22
468
19
24.63
33
5
2022/23
495
18
27.50
35
6
2023/24
491
16
30.69
35
10
2024/25
465
16
29.06
33
8
2025/26
442
16
27.62
33
8
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2017/18: 370 in 2016/17 → 414, +44 pupils.
Biggest loss in a single year: 2024/25: 491 in 2023/24 → 465, -26 pupils.
Largest single-class increase: 6th Class in 2022/23 (51 → 72, +21).
Largest single-class decrease: Junior Infants in 2024/25 (57 → 44, -13).
Largest cohort-step gain: 5th → 6th in 2022/23 (64 → 72, +8).
Largest cohort-step loss: SI → 1st in 2025/26 (56 → 53, -3).
Overall: 313 (2013/14) → 442 (2025/26), 129.
Summary statistics (class-level data)
Min / max / mean enrolment per class across the available final by-standard years.
Class
Min
Max
Mean
Years
Junior Infants
35
57
46.8
6
Senior Infants
49
57
53.2
6
1st Class
53
64
56.8
6
2nd Class
54
66
60.8
6
3rd Class
58
67
63.8
6
4th Class
62
68
65.7
6
5th Class
51
69
62.7
6
6th Class
51
72
62.3
6
Total
313
495
426.3
13
Total enrolment over time
Total and gender trends use historical records where available. Class-level data starts in 2020/21.
Enrolment by gender over time
Enrolment by class over time
Cohort progression
Track how each cohort (pupils who were in the same class in the same year) progresses through the school. Each step shows the count; the number between steps is the net change (pupils gained minus pupils lost).